JEE Main 2025 — Permutation Combination Question with Solution
JEE Main 2025 (3 Apr Shift 1)
Question
If the number of seven-digit numbers, such that the sum of their digits is even, is ; , then is equal to _______
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Show full solutionCorrect answer: 14
Correct answer
14
Step-by-step explanation
Total 7 digit nos.
7 digit nos. having sum of digits
Even
7 digit nos. having sum of digits
Even
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This is a previous-year question from JEE Main 2025, covering the Permutation Combination chapter of Mathematics. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.